Volume 128, Number 2, October 2019
|Number of page(s)||7|
|Published online||12 December 2019|
Development of a real-time transmittance monitoring system for a transparent sample in a shock compression experiment
1 College of Physical Science and Technology, Southwest Jiaotong University, Key Laboratory of Advanced Technologies of Materials, Ministry of Education of China - Chengdu 610031, China
2 Sichuan Provincial Key Laboratory (for Universities) of High Pressure Science and Technology, Southwest Jiaotong University - Chengdu 610031, China
3 College of Science, Southwest Petroleum University - Chengdu 610031, China
Received: 26 May 2019
Accepted: 24 October 2019
Optical transmittance measurement plays an important role in studying the phase transition mechanism of transparent liquids. A new real-time transmittance monitoring system was constructed to investigate the phase transition in transparent liquids under dynamic compression. The results show that for water, there are a transition occurring on sub-μs time scales during the second shock compress, which presents good agreement with Dolan's result. This finding demonstrates that the water response is indeed strongly time-dependent. A similar experiment has also been done for the shocked benzene, but no obviously phase transition information has been obtained.
PACS: 07.35.+k – High-pressure apparatus; shock tubes; diamond anvil cells / 05.70.-a – Thermodynamics / 62.50.-p – High-pressure effects in solids and liquids
© EPLA, 2019
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